body{
    min-width: 320px;
    max-width: 750px;
    width: 10rem;
    margin: 0 auto;
    line-height: 1.5;
    font-family: Arial, Helvetica;
    background-color: #f2f2f2;
}
a{
    text-decoration: none;
}
@media screen and (min-width:750px){
    html{
        font-size: 75px!important;
    }
}
header{
    position: fixed;
    display: flex;
    top: 0;
    width: 10rem;
    height: 1.173333rem;
    background-color: #FFC001;
}
.classify{
    margin:.266667rem ;
    width: .586667rem;
    height: .933333rem;
    background: url('../images/classify.png') no-repeat;
    background-size: .586667rem auto;
}
.search{
    flex: 1;
}
.search input{
    outline: none;
    box-sizing: border-box;
    border: 0;
    margin-top: .16rem;
    padding-left: .733333rem;
    width: 100%;
    height: .88rem;
    background-color: #fff2cc;
    font-size: .333333rem;
    border-radius: .44rem;
}
.login{
    width: 1rem;
    height: .933333rem;
    margin: .266667rem;
    font-size: .333333rem;
    color: #fff;
    text-align: center;
    line-height: .933333rem;
}
.banner{
    width: 10rem;
    height: 4.906667rem;
}
.banner img{
    width: 100%;
}
.ad{
    display: flex;
    width: 10rem;
}
.ad a{
    flex: 1;
}
.ad a img{
    width: 100%;
}
nav{
    width: 10rem;
    display: flex;
    flex-wrap: wrap;
}
nav a{
    width: 20%;
    text-align: center;
}
p{
    margin: 0;
    padding: 0;
    font-size: .333333rem;
    color: #ccc;
}
nav a img{
    width: 1.093333rem;
    height: 1.093333rem;
}
